MSI2
MSI2 is an independent analytical newsletter published on Substack, focused on national security, geopolitical intelligence, and adversarial threat analysis, including topics such as Cuba as a platform for adversarial activities targeting the United States. The publication produces in-depth open-source intelligence (OSINT) and policy-oriented research aimed at informing professionals, researchers, and policymakers about emerging security threats. It is best known for its detailed analytical pieces covering state-sponsored influence operations, foreign adversarial strategies, and intelligence community-relevant topics.